vs
4.2Noise control & calls9.3
Why is Rail ANC better than Redmi Buds 4 Pro?
- Total with charging case38 h vs 36 h+6%
Why is Redmi Buds 4 Pro better than Rail ANC?
- Active noise cancellingNo · Rail ANC: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 6 mm | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Sensitivity | 100 dB | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | — | 9 h |
| Total with charging case | 38 h | 36 h |
| Charging time | — | 4 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Multipoint (two devices) | Yes | — |
| Design & build | ||
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
